While this empowers IT professionals to perform a quick and thorough diagnosis of network security, in the wrong hands, Wireshark could be used for cyberattack reconnaissance campaigns.īecause you can download Wireshark for free, cybercriminals have liberal access to it, so it's best security practice to assume the software is currently being used with hostile intentions. When a packet sniffer is used in 'promiscuous mode' users can analyze network traffic regardless of its destination - like a fly on a wall watching office activity. This allows users to identify the cause of network security issues and even discover potential cybercriminal activity. Wireshark (formerly known as ethereal) offers a series of different display filters to transform each captured packet into a readable format.
Packet sniffers intercept network traffic to understand the activity being processed and harvest useful insights.
Wireshark is a type of packet sniffer (also known as a network protocol analyzer, protocol analyzer, and network analyzer). It captures data packets passing through a network interface (such as Ethernet, LAN, or SDRs) and translates that data into valuable information for IT professionals and cybersecurity teams. Wireshark is a free open source tool that analyzes network traffic in real-time for Windows, Mac, Unix, and Linux systems.
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